PHP code example of pronin / webauthn-emulator

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

pronin / webauthn-emulator example snippets

use WebauthnEmulator\Authenticator;
use WebauthnEmulator\CredentialRepository\FileRepository;

// Instantiate the file repository to store credentials
$storage = new FileRepository('path/to/credential/storage.txt');

// Create the authenticator instance
$authenticator = new Authenticator($storage);

// Sample registration challenge. See examples/webauthnio_reg.php for a complete example.
$registrationChallenge = 
    "rp" => [
        "name" => "webauthn.io",
        "id" => "webauthn.io"
    ],
    "user" => [
        "id" => "dGVzdDMxNA",
        "name" => "test777",
        "displayName" => "test777"
    ],
    "challenge" => "7BYLAiLMeNm3103ZBmBIHxEI-5-O_5uWtkaNWC4oTzR47KtFLfs7oy0i0qCJ3A-ENpvsNMbdWbkHGvcFZyhBZQ",
    "pubKeyCredParams" => [
        [
            "type" => "public-key",
            "alg" => -7
        ]
    ],
    "timeout" => 60000,
    "excludeCredentials" => [],
    "authenticatorSelection" => [
        "residentKey" => "preferred",
        "

// Sample authentication challenge. See examples/webauthnio_login.php for a complete example.
$authChallenge = [
    "challenge" => "RzckEwPCCFGmO-lkYs_z15YCKAsEcoW49X2DSuuCzL2b6iXjozuap5iVnWzenmfhbsTs0-mqKOwkvhbk8uDbRw",
    "timeout" => 60000,
    "rpId" => "webauthn.io",
    "allowCredentials" => [
        [
            "id" => "2h0MoJD7Slojb_SecLOCfKyMDnC-mEDnFeYLTAefaz4",
            "type" => "public-key",
            "transports" => []
        ],
        [
            "id" => "ySHAlkz_D3-MTo2GZwXNRhDVdDLR23oQaSI3cGz-7Hc",
            "type" => "public-key",
            "transports" => []
        ]
    ],
    "userVerification" => "preferred"
];

// Generate a response to the authentication challenge
$assertion = $authenticator->getAssertion(
    $authChallenge['rpId'],
    $authChallenge['allowCredentials'],
    $authChallenge['challenge']
);

use WebauthnEmulator\Authenticator;
use WebauthnEmulator\CredentialRepository\FileRepository;

// Instantiate the file repository to store credentials
$storage = new FileRepository('path/to/credential/storage.txt');

// Create the authenticator instance
$authenticator = new Authenticator($storage);

$registrationChallenge = [
    // ... (challenge data provided by the relying party)
];

// Generate a response to the registration challenge
$attestation = $authenticator->getAttestation(
    registerOptions: $registrationChallenge,
    origin: 'https://service.example.com', // optional
    extra: ['crossOrigin' => false] // optional
);

echo(json_encode($attestation, JSON_PRETTY_PRINT));

/* Output:
{
    "id": "HB_Pkygg...LQK3WkA",
    "rawId": "HB\/Pkygg...LQK3WkA=",
    "response": {
        "clientDataJSON": "eyJ0e...pbyJ9",
        "attestationObject": "o2Nmb...y4kw="
    },
    "type": "public-key"
}
*/

$authChallenge = [
    // ... (challenge data provided by the relying party)
];

// Generate a response to the authentication challenge
$assertion = $authenticator->getAssertion(
    rpId: $authChallenge['rpId'],
    credentialIds: $authChallenge['allowCredentials'],
    challenge: $authChallenge['challenge']
    origin: 'https://service.example.com', // optional
    extra: ['crossOrigin' => false] // optional
);

echo(json_encode($assertion, JSON_PRETTY_PRINT));

/* Output:
{
    "id": "HB_Pkygg...LQK3WkA",
    "rawId": "HB\/Pkygg...LQK3WkA=",
    "response": {
        "authenticatorData": "E4Mf1...AAA==",
        "clientDataJSON": "eyJ0e...pbyJ9",
        "signature": "MEYCI...lzwEj",
        "userHandle": "ZmRmM...mZDk2"
    },
    "type": "public-key"
}
*/

use WebauthnEmulator\Authenticator;

// Example of recoding a standard base64 string to base64url
echo Authenticator::base64Normal2Url('wib1OPW9EkDeiwUoyTgJ1+PpFG4dljeXodqRX15DG+gBAAAABQ=='); 
// Output: wib1OPW9EkDeiwUoyTgJ1-PpFG4dljeXodqRX15DG-gBAAAABQ

// Example of recoding a base64url string to standard base64
echo Authenticator::base64Url2Normal('wib1OPW9EkDeiwUoyTgJ1-PpFG4dljeXodqRX15DG-gBAAAABQ');
// Output: wib1OPW9EkDeiwUoyTgJ1+PpFG4dljeXodqRX15DG+gBAAAABQ==

use WebauthnEmulator\Authenticator;

$input = [
    "id" => "HB_PkyggPmHCHbcYyQCfLXTakdmq3WGCcOBjLQK3WkA", // already base64url-encoded
    "rawId" => "HB/PkyggPmHCHbcYyQCfLXTakdmq3WGCcOBjLQK3WkA=", // standard base64
];

// Example of recoding an array of standard base64 strings to base64url
$base64urlArray = Authenticator::base64Normal2Url($input);
/* Result:
[
  "id" => "HB_PkyggPmHCHbcYyQCfLXTakdmq3WGCcOBjLQK3WkA", // left as is
  "rawId" => "HB_PkyggPmHCHbcYyQCfLXTakdmq3WGCcOBjLQK3WkA", // recoded to base64url
]
*/ 


// Example of recoding an array of base64url to standard base64
$base64Array = Authenticator::base64Url2Normal($input);
/* Result:
[
  "id" => "HB/PkyggPmHCHbcYyQCfLXTakdmq3WGCcOBjLQK3WkA=", // recoded to standard base64
  "rawId" => "HB/PkyggPmHCHbcYyQCfLXTakdmq3WGCcOBjLQK3WkA=", // left as is
]
*/

use WebauthnEmulator\CredentialRepository\FileRepository;

// Path to the JSON file that will store the credentials
$storagePath = 'path/to/credential/storage.txt';

// Create a new FileRepository instance
$storage = new FileRepository($storagePath);

use WebauthnEmulator\CredentialRepository\RepositoryInterface;
use WebauthnEmulator\CredentialInterface;

class CustomRepository implements RepositoryInterface {
    // Implement the retrieve credentials by rpId
    }

    public function getById(string $rpId, string $id): CredentialInterface {
        // Logic to retrieve a credential by rpId and id
    }
}

use WebauthnEmulator\Authenticator;

// Assuming $customStorage is an instance of your custom repository
$authenticator = new Authenticator($customStorage);